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发明名称
Improvements in cathode ray tubes for television
摘要
申请公布号
GB562433(A)
申请公布日期
1944.06.30
申请号
GB19440000180
申请日期
1943.07.23
申请人
JOHN LOGIE BAIRD
发明人
分类号
H01J31/12
主分类号
H01J31/12
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代理人
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